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<blockquote data-quote="Andy Ful" data-source="post: 892618" data-attributes="member: 32260">I think that this white paper can help (from the year 2014):&quot; Twenty years ago, control systems were built with proprietary technology with a lifecycle of at least 15 years. Today’s open technology world has other rules. Operating systems undergo major changes at least once every three years, while hardware platforms change even more rapidly. Changes in CPU, memory, and storage technology enforce changes in operating systems to support this new technology. However, this evolution simultaneously creates gaps in the serviceability of the older systems. Legacy operating systems do not provide the system software to support the new technology, and legacy hardware platforms do not provide the performance and technology to support the new operating systems &quot;[URL unfurl=&quot;true&quot;]https://www.honeywellprocess.com/library/marketing/whitepapers/cyber-security-legacy-systems.pdf[/URL]It seems that when we think about performance, then HDD is a legacy technology. The HDD with MBR is also a legacy one (no UEFI support). But, the new HDDs formatted as GPT are still used on many machines with UEFI, so there is no reason yet to name HDD technology as a legacy. Anyway, HDD technology will be legacy soon.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite109" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="Andy Ful, post: 892618, member: 32260"] I think that this white paper can help (from the year 2014): " Twenty years ago, control systems were built with proprietary technology with a lifecycle of at least 15 years. Today’s open technology world has other rules. Operating systems undergo major changes at least once every three years, while hardware platforms change even more rapidly. Changes in CPU, memory, and storage technology enforce changes in operating systems to support this new technology. However, this evolution simultaneously creates gaps in the serviceability of the older systems. [B]Legacy operating systems do not provide the system software to support the new technology, and legacy hardware platforms do not provide the performance and technology to support the new operating systems[/B] " [URL unfurl="true"]https://www.honeywellprocess.com/library/marketing/whitepapers/cyber-security-legacy-systems.pdf[/URL] It seems that when we think about performance, then HDD is a legacy technology. The HDD with MBR is also a legacy one (no UEFI support). But, the new HDDs formatted as GPT are still used on many machines with UEFI, so there is no reason yet to name HDD technology as a legacy. Anyway, HDD technology will be legacy soon.:) [/QUOTE]

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